CNC INC Steel Double Chainring Bolts M8x6_5mm Bicycle Chainring Bolt Nut Set Red

CNC T25 steel alloy chainring bolts are further more stiff than Aluminum ones, so hex head won’t strip even after repeated installation and removal. We adopt updated E-coating process tech to get same nice colors as AL ones. They are universal chainwheel crank bolts replacements for standard double speed chainrings of Shimano Sram mountain bike/MTB/Road/BMX etc. Specification: Female Nut Shaft Diameter: 8mm Female Nut Shaft Length: 6.5mm Male Bolt Diameter: 8mm Male Bolt Length: 6.5mm Male Bolt Head Style: Hex, slot back Bolt Position: Double Weight: 5g/set Package List: 5 sets of chainring bolts+nuts.